Why are lichens good barometers of the presence of air pollution?
What will be an ideal response?
Lichens are extremely sensitive to air pollutants because they absorb them with dew. The pollutants from automobile exhaust and industrial activity destroy the chlorophyll in these delicate organisms, so lichens are usually absent from cities.
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The causative organisms for CAP and HCAP differ, but the modes of transmission do not; that are all transmitted via aerosolized droplets which enter the lungs.
Answer the following statement true (T) or false (F)
Answer the following statements true (T) or false (F)
1. Thomas Hunt Morgan was the genetics researcher who discovered X-linked inheritance patterns by studying fruit flies. 2. Linkage maps are diagrams of nitrogen base sequences on DNA. 3. X-linked recessive disorders affect more females than males. 4. A male expresses an X-linked recessive disorder only if he inherits alleles conferring the disorder from both parents. 5. Variants or alternate forms of a gene are called alleles.
How many transmission events (n) are needed for one allele to be IBD in IV-1?
a. 2 b. 4 c. 6 d. 8 e. 10
In epithelial tissues, what serves to anchor the epithelial tissue to underlying connective tissue?
A. synovial membrane B. basement membrane C. ependymal cells D. transitional membrane E. plasma membrane